<!DOCTYPE html>
<html>
   <head>
        <title>hello</title>
   </head>
 <body>
      <ul>
          {% for student in students %}
          <li>
             id:{{ student.id }},姓名：{{ student.name }},age: {{ student.age }}
         </li>
         {% endfor %}
     </ul>
 </body>
</html>